Mechnotes presents high quality handwritten short notes for Mechanical Engineering. Short notes will help you in quick revision and boost your confidence. Very useful for GATE. SSCJE, ESE and PSUs. It covers Thermodynamics, RAC, Fluid Mechanics, Heat Transfer, IC Engine, Power Plant, Theory of Machines, Material Science, Strength of Material, Machine Design, Production And Industrial Engineering. All important concepts and formulas are present in short notes to enhance efficiency of students.

Exam Syllabus

ESE Syllabus


  PAPER – I


 1. Fluid Mechanics: Basic Concepts and  Properties  of Fluids, Manometry, Fluid Statics, Buoyancy, Equations  of Motion,  Bernoulli’s equation and  applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes. 

2. Thermodynamics and Heat transfer: Thermodynamic  systems  and  processes;  properties  of  pure  substance;  Zeroth,  First  and  Second  Laws  of  Thermodynamics;  Entropy, Irreversibility and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and  Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures.   Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations  for  convective  heat  transfer,  Radiative  heat  transfer  –  Radiation  heat  transfer  co‐efficient;  boiling  and  condensation,  Heat  exchanger performance analysis.  

3. IC Engines, Refrigeration and Air conditioning: SI and CI Engines, Engine Systems and Components, Performance characteristics and testing of IC Engines; Fuels; Emissions and  Emission Control. Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators  and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo electric and Vortex tube  refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations  and Heat pumps.  

4. Turbo Machinery: Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of  Jet Propulsion – Pulse jet and Ram  Jet Engines, Reciprocating and Rotary Compressors –  Theory and Applications 

 5. Power Plant Engineering: Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines  and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory  and design, types and applications;  

6. Renewable Sources of Energy: Solar  Radiation,  Solar  Thermal  Energy  collection  ‐  Flat  Plate  and  focusing  collectors  their  materials  and  performance.  Solar  Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of  Wind Energy, Bio‐mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells.  


                                                          

    PAPER – II


 7. Engineering Mechanics: Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains‐Compound Stresses and  Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses‐ Slope and deflection‐Torsion, Thin and thick  Cylinders, Spheres.  

8. Engineering Materials: Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials,  Basics of Nano‐materials, Mechanical Properties and Testing, Corrosion prevention and control  

9. Mechanisms and Machines: Types  of  Kinematics  Pair, Mobility, Inversions,  Kinematic  Analysis, Velocity and  Acceleration  Analysis  of  Planar Mechanisms,  CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry  of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains‐ Simple, compound  and  Epicyclic;  Dynamic  Analysis  –  Slider  –  crank  mechanisms,  turning  moment  computations,  balancing  of  Revolving  &  Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircrafts, Governors.  

10. Design of Machine Elements: Design for static and dynamic loading; failure theories; fatigue strength and the S‐N diagram; principles of the design of machine  24  elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches,  flywheels.  

11. Manufacturing ,Industrial and Maintenance Engineering: Metal casting‐Metal forming, Metal Joining, Machining and machine tool operations, Limits, fits and tolerances, Metrology and  inspection,  computer  Integrated  manufacturing,  FMS,  Production  planning  and  Control,  Inventory  control  and  operations  research ‐ CPM‐PERT. Failure concepts and characteristics‐Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault  Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT  Techniques in Condition Monitoring.  

12. Mechatronics and Robotics:  Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller.  Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and  Hydraulic actuators, stepper motor, Control Systems‐ Mathematical modeling of Physical systems, control signals, controllability  and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous  Coordinates and Arm Equation of four Axis SCARA Robot.


GATE Mechanical Engineering


Section 1: Engineering Mathematics 

Linear Algebra: Matrix algebra, systems of linear equations, eigenvalues and eigenvectors. 

Calculus: Functions of single variable, limit, continuity and differentiability, mean value theorems, indeterminate forms; evaluation of definite and improper integrals; double and triple integrals; partial derivatives, total derivative, Taylor series (in one and two variables), maxima and minima, Fourier series; gradient, divergence and curl, vector identities, directional derivatives, line, surface and volume integrals, applications of Gauss, Stokes and Green’s theorems. 

Differential equations: First order equations (linear and nonlinear); higher order linear differential equations with constant coefficients; Euler-Cauchy equation; initial and boundary value problems; Laplace transforms; solutions of heat, wave and Laplace's equations. 

Complex variables: Analytic functions; Cauchy-Riemann equations; Cauchy’s integral theorem and integral formula; Taylor and Laurent series. 

Probability and Statistics: Definitions of probability, sampling theorems, conditional probability; mean, median, mode and standard deviation; random variables, binomial, Poisson and normal distributions. 

Numerical Methods: Numerical solutions of linear and non-linear algebraic equations; integration by trapezoidal and Simpson’s rules; single and multi-step methods for differential equations. 


Section 2: Applied Mechanics and Design 

Engineering Mechanics: Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and of rigid bodies in plane motion; impulse and momentum (linear and angular) and energy formulations, collisions. 

Mechanics of Materials: Stress and strain, elastic constants, Poisson's ratio; Mohr’s circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; Euler’s theory of columns; energy methods; thermal stresses; strain gauges and rosettes; testing of materials with universal testing machine; testing of hardness and impact strength.

Theory of Machines: Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope. 

Vibrations: Free and forced vibration of single degree of freedom systems, effect of damping; vibration isolation; resonance; critical speeds of shafts. 

Machine Design: Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints; shafts, gears, rolling and sliding contact bearings, brakes and clutches, springs. 



Section 3: Fluid Mechanics and Thermal Sciences 

Fluid Mechanics: Fluid properties; fluid statics, manometer, buoyancy, forces on submerged bodies, stability of floating bodies; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli’s equation; dimensional analysis; viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings. 

Heat-Transfer: Modes of heat transfer; one dimensional heat conduction, resistance concept and electrical analogy, heat transfer through fins; unsteady heat conduction, lumped parameter system, Heisler's charts; thermal boundary layer, dimensionless parameters in free and forced convective heat transfer, heat transfer correlations for flow over flat plates and through pipes, effect of turbulence; heat exchanger performance, LMTD and NTU methods; radiative heat transfer, Stefan Boltzmann law, Wien's displacement law, black and grey surfaces, view factors, radiation network analysis. 

Thermodynamics: Thermodynamic systems and processes; properties of pure substances, behaviour of ideal and real gases; zeroth and first laws of thermodynamics, calculation of work and heat in various processes; second law of thermodynamics; thermodynamic property charts and tables, availability and irreversibility; thermodynamic relations. Applications: Power Engineering: Air and gas compressors; vapour and gas power cycles, concepts of regeneration and reheat. I.C. Engines: Air-standard Otto, Diesel and dual cycles.

Refrigeration and air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.

Turbomachinery: Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines. 


Section 4: Materials, Manufacturing and Industrial Engineering

Engineering Materials: Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials.

Casting, Forming and Joining Processes: Different types of castings, design of patterns, moulds and cores; solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes; principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding.

Machining and Machine Tool Operations: Mechanics of machining; basic machine tools; single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, design of jigs and fixtures.

Metrology and Inspection: Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly. 

Computer Integrated Manufacturing: Basic concepts of CAD/CAM and their integration tools. 

Production Planning and Control: Forecasting models, aggregate production planning, scheduling, materials requirement planning. 

Inventory Control: Deterministic models; safety stock inventory control systems. 

Operations Research: Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.

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MECHANICAL ENGINEERING SHORT NOTES [ PRODUCTION COMPLETE ]

MECHANICAL ENGINEERING SHORT NOTES Hello And Welcome! Mechnotes presents high quality handwritten short notes for various examinations of me...